/* Digidactics Academy front page styles */
:root{
  --bg: #0b1324;
  --bg-2: #0f1b36;
  --primary: #0ea5e9;
  --primary-2:#38bdf8;
  --text:#e5e7eb;
  --muted:#94a3b8;
  --card:#0d162b;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

*{box-sizing:border-box}
html,body{height:100%;}
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica, Arial, sans-serif;
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(56,189,248,.08), transparent 70%),
    radial-gradient(900px 500px at 110% 20%, rgba(14,165,233,.12), transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  overflow-x:hidden;
}

.header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:20px clamp(16px, 4vw, 42px);
  position:relative;
  z-index: 2;
}

.brand{
  display:flex;
  align-items:center;
  gap:14px;
  text-decoration:none;
}

.brand img{height:42px;width:auto}
.brand span{
  display:inline-block;
  line-height:1.1;
}
.brand .t1{font-weight:700; font-size: clamp(18px, 2.4vw, 22px); color: #eaf2ff;}
.brand .t2{font-weight:500; font-size: clamp(12px, 1.6vw, 14px); color: var(--muted);}

.nav a{
  color:var(--text);
  text-decoration:none;
  margin-left:20px;
  font-size:14px;
  opacity:.8;
}
.nav a:hover{opacity:1;}

.hero{
  display:grid;
  align-items:center;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(24px, 5vw, 60px);
  padding: clamp(18px, 5vw, 42px);
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

@media (max-width: 900px){
  .hero{grid-template-columns: 1fr;}
}

.card{
  background: linear-gradient(180deg, rgba(13,22,43,.7), rgba(13,22,43,.35));
  backdrop-filter: blur(6px);
  border:1px solid rgba(148,163,184,.18);
  border-radius: 20px;
  padding: clamp(18px, 4.5vw, 32px);
  box-shadow: var(--shadow);
}

.kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:6px 10px;
  border-radius:999px;
  background: rgba(56,189,248,.12);
  border:1px solid rgba(56,189,248,.35);
  font-weight:600;
  letter-spacing:.2px;
  color:#dff4ff;
  font-size:12px;
}

h1{
  font-size: clamp(28px, 4.6vw, 46px);
  margin: 14px 0 10px;
  line-height: 1.1;
}

.sub{
  color:var(--muted);
  font-size: clamp(14px, 1.8vw, 16px);
  margin-bottom: 22px;
}

.cta-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:center;
}

.btn{
  appearance:none;
  border:none;
  cursor:pointer;
  text-decoration:none;
  padding:12px 18px;
  border-radius: 12px;
  font-weight:700;
  transition: transform .12s ease, box-shadow .12s ease, background .2s ease, color .2s ease;
  display:inline-flex;
  align-items:center;
  gap:10px;
  will-change:transform;
}

.btn.primary{
  background: linear-gradient(180deg, var(--primary), var(--primary-2));
  color:#04121d;
  box-shadow: 0 10px 20px rgba(56,189,248,.25);
}
.btn.primary:hover{ transform: translateY(-1px); box-shadow: 0 14px 26px rgba(56,189,248,.35); }

.btn.ghost{
  background: rgba(148,163,184,.12);
  color:var(--text);
  border:1px solid rgba(148,163,184,.25);
}
.btn.ghost:hover{ transform: translateY(-1px); }

.small{font-size:12px;color:var(--muted);margin-top:10px}

.glow{
  position:absolute; inset:-20vmax -10vmax auto auto;
  width:60vmax; height:60vmax; pointer-events:none;
  background: radial-gradient(closest-side, rgba(56,189,248,.12), transparent 60%);
  filter: blur(24px); opacity:.75; z-index:1;
}

.feature-grid{
  display:grid; grid-template-columns: repeat(3, 1fr);
  gap:16px; margin-top:18px;
}
@media (max-width:900px){ .feature-grid{grid-template-columns: 1fr 1fr;} }
@media (max-width:560px){ .feature-grid{grid-template-columns: 1fr;} }

.feature{
  background: linear-gradient(180deg, rgba(13,22,43,.7), rgba(13,22,43,.35));
  border:1px solid rgba(148,163,184,.18);
  border-radius: 14px;
  padding:14px;
}
.feature h3{margin:6px 0 6px; font-size:16px}
.feature p{margin:0; color:var(--muted); font-size:14px}

.footer{
  max-width:1200px; margin: 24px auto; padding: 0 clamp(16px, 4vw, 42px);
  color:var(--muted); font-size:13px; display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap;
}
.footer a{ color:var(--text); opacity:.8; text-decoration:none; }
.footer a:hover{ opacity:1; text-decoration:underline; }